2021 SR41

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6506236825 ± 4.42e-08
Semi-major axis (a)2.3782175011 AU ± 2.36e-07
Inclination (i)21.94614715° ± 7.84e-06
Long. of Asc. Node (Ω)172.09663398° ± 9.46e-06
Arg. of Perihelion (ω)319.89322416° ± 1.01e-05
Mean Anomaly (M)10.52734843° ± 5.56e-05
Mean Motion (n)0.2687416134°/day ± 3.99e-08
Perihelion dist (q)0.83089287 AU ± 1.34e-07
Aphelion dist (Q)3.92554213 AU ± 4.03e-07
Orbital Period3.66756109 yr ± 5.45e-07
Physical Parameters
H (abs. magnitude)19.86
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.283″
Uncertainty0
Orbit TypeApollo
MOID0.062937 AU
Observations Used147
Oppositions4
Arc Total2017-2022
First Observation Used2017-09-22
Last Observation Used2022-05-24
Observations (162)
Date Type RA Dec Mag Band Observatory
2022-03-17 11:57:44 C 18 46 42.50 +12 01 14.2 V I52
2022-03-17 11:58:05 C 18 46 42.34 +12 01 16.6 V I52
2022-03-20 02:56:23 C 18 18 56.36 +18 11 45.2 V 204
2022-03-20 03:06:52 C 18 18 52.08 +18 12 38.4 V 204
2022-03-21 10:24:22 S 18 06 57.626 +20 40 13.84 L C51
2022-03-21 13:32:29 S 18 05 50.182 +20 53 49.56 L C51
2022-03-21 15:06:22 S 18 05 16.822 +21 00 29.88 L C51
2022-03-21 18:14:19 S 18 04 10.478 +21 13 45.91 L C51
2022-03-21 18:14:30 S 18 04 10.351 +21 13 47.21 L C51
2022-03-24 02:28:07 C 17 46 02.98 +24 41 09.9 V A17
2022-03-24 02:39:27 C 17 45 59.52 +24 41 47.1 V A17
2022-03-24 02:50:47 C 17 45 56.04 +24 42 24.2 V A17
2022-03-25 02:22:24 C 17 39 09.88 +25 54 26.8 V A17
2022-03-25 02:33:44 C 17 39 06.63 +25 55 00.5 V A17
2022-03-25 02:43:56 C 17 39 03.69 +25 55 30.4 V A17
2022-03-27 00:22:39 C 17 27 06.12 +27 55 07.5 V B67
2022-03-27 00:27:31 C 17 27 04.89 +27 55 19.4 V B67
2022-03-27 00:32:25 C 17 27 03.62 +27 55 31.0 V B67
2022-03-27 00:37:18 C 17 27 02.40 +27 55 42.9 V B67
2022-03-27 00:42:14 C 17 27 01.16 +27 55 55.2 V B67
2022-03-27 11:06:16 C 17 24 27.81 +28 20 14.2 V G96
2022-03-27 11:13:48 C 17 24 25.90 +28 20 31.8 V G96
2022-03-27 11:21:21 C 17 24 24.01 +28 20 48.7 V G96
2022-03-27 11:28:57 C 17 24 22.06 +28 21 06.6 V G96
2022-03-27 13:10:52 C 17 23 58.72 +28 25 01.6 V T05
2022-03-27 13:13:30 C 17 23 58.07 +28 25 07.6 V T05
2022-03-27 13:18:08 C 17 23 56.85 +28 25 18.4 V T05
2022-03-27 13:29:34 C 17 23 54.01 +28 25 44.8 V T05
2022-03-28 10:10:53 C 17 19 03.53 +29 09 49.6 V 703
2022-03-28 10:19:17 C 17 19 01.52 +29 10 06.8 V 703
2022-03-28 10:27:42 C 17 18 59.51 +29 10 24.5 V 703
2022-03-28 10:36:06 C 17 18 57.50 +29 10 42.1 V 703
2022-03-28 13:54:22 C 17 18 12.38 +29 17 34.0 V T05
2022-03-28 14:04:18 C 17 18 10.00 +29 17 52.6 V T05
2022-03-28 14:08:35 C 17 18 08.91 +29 18 02.2 V T05
2022-03-28 14:16:21 C 17 18 07.10 +29 18 18.3 V T05
2022-03-28 15:24:25 C 17 17 50.76 +29 20 36.2 V T05
2022-03-31 13:11:07 C 17 03 14.899 +31 21 19.22 V T05
2022-03-31 13:48:50 C 17 03 07.056 +31 22 17.51 V T05
2022-03-31 13:53:27 C 17 03 06.146 +31 22 24.38 V T05
2022-03-31 13:57:24 C 17 03 05.309 +31 22 31.12 V T05
2022-04-01 11:11:10 C 16 59 01.957 +31 52 31.22 V 703
2022-04-01 11:18:57 C 16 59 00.402 +31 52 41.45 V 703
2022-04-01 11:34:31 C 16 58 57.317 +31 53 02.72 V 703
2022-04-01 13:34:18 C 16 58 35.695 +31 55 50.48 V T05
2022-04-01 13:36:56 C 16 58 35.186 +31 55 55.09 V T05
2022-04-01 13:41:33 C 16 58 34.320 +31 56 01.39 V T05
2022-04-01 14:16:56 C 16 58 27.223 +31 56 49.27 V T05
2022-04-02 12:28:44 C 16 54 25.490 +32 25 10.74 V T08
2022-04-02 12:37:18 C 16 54 23.894 +32 25 20.32 V T08